Loudspeaker



FIG. 1 is a top view of a loudspeaker;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top-rear perspective view thereof;

FIG. 6 is a top-front perspective view thereof; and,

FIG. 7 is a bottom-rear perspective view thereof.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for loudspeaker, as shown and described. 